Armor Proficiency (Light)
When a character wears a type of armor with which the character is proficient, the armor check penalty applies only to Balance, Climb, Escape Artist, Hide, Jump, Move Silently, Pick Pocket, and Tumble checks.

Armor Proficiency (Medium)
When a character wears a type of armor with which the character is proficient, the armor check penalty applies only to Balance, Climb, Escape Artist, Hide, Jump, Move Silently, Pick Pocket, and Tumble checks.

Martial Weapon Proficiency
You understand how to use all types of martial weapons in combat.

Shield Proficiency
The character can use a shield and suffer only the standard penalties.